Optimism is important. If people do not try with the firm belief that will succeed, then there is only one other alternative. They will try but they do not believe they will succeed. It's a reflection of the American Attitude which the entire outside world believes is great about America. It is that "Can do" belief. Everything Roosevelt uttered while he was in office reflected this style of life.
There's no mention of the need for facts. There is no mention of people being pessimistic. There's no mention even of patriotism which is likely the second best answer. There is only this guiding principle of Can Do (though it is not explicitly mentioned either. But Can Do and Patriotism and Success are closely connected.
Answer:
I think a good topic could be of people, or literally any two different subjects
Explanation:
I think in order for somebody to help you, which we would really love, you have to post the entire question? :)
A gerund phrase includes the gerund and its modifiers, so "Camping near a lake" would be the gerund phrase. Its noun use is as a complement to the subject, which is the "popular pastime for retirees".
Bias has negative connotation
Biographers must make choices when they select the events they will write about. Hope this helps! =^.^=